Product code RB4011iGS+RM CPU 4 core AL21400 1.4 GHz Size of RAM 1 GB Storage NAND 512 MB 10/100/1000 Ethernet ports 10 SFP+ port 1 Switch chip model RTL8367SB Power Jack 1 PoE in Yes (port 1), passive, 18 - 57 V PoE out Yes (port 10), passive, up to 57 V Max power consumption 18 W without PoE out, 33 W with PoE out Supported input voltage 12 V - 57 V (jack) Voltage Monitor Yes PCB temperature monitor Yes Operating temperature -40 C .. +70 C Dimensions 228 x 120 x 30 mm Serial port RJ45 License level 5 Operating System RouterOS